Toyota 1UZ-FE V8 Spool H Beam Conrods and Ross Racing Forged Pistons 10.5:1
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Spool 1UZ-FE V8 Forged Connecting Rods and Ross Racing Forged Pistons
Pistons are available in:- All Ross Racing Pistons are made in the USA
- Compression Ratio: 10.5:1
- Bore Size: +0.5mm
- Pistons come with rings, gudgeon pins and pin locks
- Forged 2618
Spool Connecting Rods Feature:
- ARP 2000 fasteners (L19 fasteners are available as an upgrade)
- High tensile 4340 forged steel
- 2 Piece forging
- Hardness of HRC36-42
- Dowelled caps for precision alignment
- X-RAY & Sonic tested
- Quenching and heat treated
- Shot peened
- 100% Magnafluxed
- Weight Matched Sets +/- 1 gram
- Vacuum degassed to remove impurities
Ross Racing Pistons:
All of Ross Racing Pistons (since 1985) have been forged from 2618 billet bar stock and have been heat treated and aged to a T61 condition (2618-T61). 2618-T61 is the material that is used when fatigue resistance and durability are of prime importance by all premium racing piston manufacturers.
| Product Name | Toyota 1UZ-FE V8 Spool H Beam Conrods and Ross Racing Forged Pistons 10.5:1 |
|---|---|
| Brands | Spool |
| Engine | 1UZ-FE |
| Make | Toyota |
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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What is included in a typical Spool engine kit?
Kits usually include pistons, rings, rods, bearings and related hardware depending on the engine family. Check the listing for exact inclusions.
Do I still need machining with a full engine kit?
Yes. The block must be honed and all clearances checked and set by your builder. Assembly should only occur after full measurement and verification.
What are the recommended clearances for the Ross Racing pistons in the 1UZ-FE engine?
For the Ross Racing pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended for the 1UZ-FE engine. Additionally, set the ring gaps according to your specific application, generally around 0.020" for the top ring and 0.022" for the second ring, but always consult your engine builder for precise requirements.
What is the torque specification for the ARP2000 bolts used with the Spool conrods?
The ARP2000 bolts included with the Spool conrods should be torqued to approximately 55 ft-lb when using ARP Ultra-Torque lubricant. Always refer to ARP's latest instructions for the most accurate specifications.
Do the Spool conrods require any specific machining before installation?
Yes, the Spool conrods may require big-end or small-end honing to ensure proper fitment due to factory variations in journal and pin sizes. It's essential to check clearances and ensure a proper fit before installation.
What is the benefit of using 2618-T61 material for the Ross Racing pistons?
The 2618-T61 material used for the Ross Racing pistons offers superior fatigue resistance and durability, making it ideal for high-performance applications. This material is particularly beneficial in racing environments where high temperatures and pressures are common.
Can I upgrade the conrod bolts to L19 for the Spool conrods?
Yes, you can upgrade to L19 fasteners for the Spool conrods if you require additional strength for high-performance applications. Keep in mind that L19 bolts should be tightened by stretch, with a recommended stretch of 0.0060"–0.0065" for 3/8" bolts and 0.0070"–0.0074" for 7/16" bolts.
